-76.3% is the change from 907 to 215
Calculation steps:
[( 215 - 907 ) ÷ 907] x 100 = -76.3%
Formula
Percentage change = [(215 - 907) / 907] x 100
Subtract the new number by the original number
215 - 907 = -692
-692 ÷ 907 = -0.762954796030871
-0.762954796030871 x 100 = -76.3%